AXIOM TECHNOLOGY, INC. AX8235H Processor 80486SX/CX486DX/AM486WB/AM486DX/80486DX/CX486DX2/ AM486DX2/80486DX2/80486DX2(WB)/CX486DX4/AM486DX4/ 80486DX4/P24D/P24T/CX5X86/AM5X86 Processor 25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/ Speed 100(internal)/120(internal)/133(internal)MHz Chip Set Unidentified Video Chip None Set Maximum 64MB Onboard Memory Maximum None Video Memory Cache 128/256/512KB BIOS Award Dimensions 185mm x 122mm I/O Options Floppy drive interface, green PC connector, IDE interface, parallel port, serial ports (2), PC104 connectors (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 Turbo LED JP2 Serial port 2 CN2 Reset switch JP6 Floppy drive CN3 Power LED & keylock JP7 interface Parallel port CN4 Green PC connector JP10 IDE interface CN5 Speaker SPK Auxiliary keyboard EXKB PC104 connector 104AB connector IDE interface LED JP1 PC104 connector 104CD DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (1) 256K x 36 None 2MB (1) 256K x 36 (1) 256K x 36 2MB (1) 512K x 36 None 3MB (1) 256K x 36 (1) 512K x 36 4MB (1) 512K x 36 (1) 512K x 36 4MB (1) 1M x 36 None 5MB (1) 256K x 36 (1) 1M x 36 6MB (1) 512K x 36 (1) 1M x 36 8MB (1) 1M x 36 (1) 1M x 36 8MB (1) 2M x 36 None 10MB (1) 512K x 36 (1) 2M x 36 12MB (1) 1M x 36 (1) 2M x 36 16MB (1) 2M x 36 (1) 2M x 36 16MB (1) 4M x 36 None 17MB (1) 4M x 36 (1) 256K x 36 18MB (1) 4M x 36 (1) 512K x 36 20MB (1) 1M x 36 (1) 4M x 36 24MB (1) 2M x 36 (1) 4M x 36 32MB (1) 4M x 36 (1) 4M x 36 32MB (1) 8M x 36 None 36MB (1) 1M x 36 (1) 8M x 36 40MB (1) 2M x 36 (1) 8M x 36 48MB (1) 4M x 36 (1) 8M x 36 64MB (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Size Bank 0 TAG 128KB (4) 32K x 8 Unidentified 256KB (4) 64K x 8 Unidentified 512KB (4) 128K x 8 Unidentified CACHE JUMPER CONFIGURATION Size JP11 128KB Open 256KB Pins 3 & 4 closed 512KB Pins 1 & 2, 3 & 4 closed CPU SPEED SELECTION Speed JP4 25MHz Open 33MHz Pins 1 & 2, 3 & 4 closed 40MHz Pins 1 & 2 closed 50iMHz Open 66iMHz Pins 1 & 2, 3 & 4 closed 75iMHz Open 80iMHz Pins 1 & 2 closed 100iMHz Pins 1 & 2, 3 & 4 closed 120iMHz Pins 1 & 2 closed 133iMHz Pins 1 & 2, 3 & 4 closed CPU TYPE SELECTION Type JP9 80486SX 5 & 6, 11 & 12, 13 & 15, 14 & 16, 19 & 20, 22 & 24 CX486DX 1 & 2, 6 & 8, 9 & 10, 11 & 13, 14 & 16, 15 & 17, 19 & 21, 22 & 24, 25 & 26 AM486 WB 1 & 3, 5 & 6, 8 & 10, 11 & 12, 15 & 17, 14 & 16, 19 & 21, 23 & 24, 25 & 26 AM486DX 4 & 6, 9 & 11, 15 & 16, 19 & 21, 22 & 24, 25 & 26 80486DX 5 & 6, 11 & 12, 13 & 15, 14 & 16, 19 & 21, 22 & 24, 25 & 26 CX486DX2 1 & 2, 6 & 8, 9 & 10, 11 & 13, 14 & 16, 15 & 17, 19 & 21, 22 & 24, 25 & 26 AM486DX2 4 & 6, 9 & 11, 15 & 16, 17 & 18, 19 & 21, 22 & 24, 25 & 26 80486DX2 5 & 6, 11 & 12, 13 & 15, 14 & 16, 19 & 21, 22 & 24, 25 & 26 80486DX2 WB 1 & 3, 5 & 6, 7 & 9, 8 & 10, 11 & 12, 15 & 17, 14 & 16, 19 & 21, 23 & 24, 25 & 26 CX486DX4 1 & 2, 6 & 8, 9 & 10, 11 & 13, 14 & 16, 15 & 17, 19 & 21, 22 & 24, 25 & 26 AM486DX4 4 & 6, 9 & 11, 15 & 16, 19 & 21, 22 & 24, 25 & 26 80486DX4 5 & 6, 11 & 12, 13 & 15, 14 & 16, 19 & 21, 22 & 24, 25 & 26 P24D 1 & 3, 5 & 6, 8 & 10, 11 & 12, 15 & 17, 14 & 16, 19 & 21, 23 & 24, 25 & 26 P24T 1 & 3, 5 & 6, 8 & 10, 11 & 12, 15 & 17, 14 & 16, 19 & 21, 23 & 24, 25 & 26 CX5X86 1 & 3, 5 & 6, 8 & 10, 11 & 12, 15 & 17, 14 & 16, 19 & 21, 23 & 24, 25 & 26 CX5X86-133 1 & 3, 5 & 6, 7 & 9, 8 & 10, 11 & 12, 15 & 17, 14 & 16, 19 & 21, 23 & 24, 25 & 26 AM5X86 1 & 3, 5 & 6, 7 & 9, 8 & 10, 11 & 12, 15 & 17, 14 & 16, 19 & 21, 23 & 24, 25 & 26 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage JP8 » 3.3v Pins 2 & 3 closed 5v Pins 1 & 2 closed SERIAL PORT 2 SELECTION Setting JP4 JP5 » RS-232 Open 3 & 4 RS-422 7 & 8, 9 & 10, 1 & 2, 3 & 5, 7 & 8, 9 & 11 & 12 10, 11 & 12, 13 & 14 RS-485 7 & 8, 9 & 10, 1 & 2, 3 & 5, 6 & 8, 9 & 11 & 12 10, 11 & 12, 13 & 14, 15 & 16, 17 & 18 Note: Pins designated should be in the closed position.